Update pr.yml to pip install cuda12 runtime

Signed-off-by: Ming M Qin <[email protected]>

.github/workflows/pr.yml

@@ -27,6 +27,7 @@ jobs:
       - name: Check formatting
         run: |
           source .venv/bin/activate
+          python3 -m pip install nvidia-cuda-runtime-cu12 --index https://pypi.ngc.nvidia.com
           python3 -c 'import sys; print(sys.executable)'
           python3 -c 'import site; print(site.getsitepackages())'
           python3 -m pip freeze